private async Task InitializeAsync()
{
VersionDescription = GetVersionDescription();
_setup = new SetupService();
bool res = await _setup.GetAutomode();
tglAutoOcr.IsOn = res;
await Task.CompletedTask;
}
public async Task InitializeCameraAsync()
{
try
{
if (_setup == null)
{
_setup = new SetupService();
}
isAutoShot = await _setup.GetAutomode();
if (_mediaCapture == null)
{
_mediaCapture = new MediaCapture();
_mediaCapture.Failed += MediaCapture_Failed;
_cameraDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
if (_cameraDevices == null || !_cameraDevices.Any())
{
throw new NotSupportedException();
}
DeviceInformation device;
if (_cameraDevices.Count > 1)
{
device = _cameraDevices.FirstOrDefault(camera => camera.EnclosureLocation?.Panel == Windows.Devices.Enumeration.Panel.Back);
}
else
{
device = _cameraDevices.FirstOrDefault(camera => camera.EnclosureLocation?.Panel == Panel);
}
var cameraId = device?.Id ?? _cameraDevices.First().Id;
await _mediaCapture.InitializeAsync(new MediaCaptureInitializationSettings { VideoDeviceId = cameraId });
if (_mediaCapture.VideoDeviceController.FocusControl.Supported)
{
isAutoFocusCapable = true;
errorMessage.Text = "VIZZoneInFront".GetLocalized();
}
else
{
isAutoFocusCapable = false;
errorMessage.Text = "NoFocusCamera".GetLocalized();
}
IMediaEncodingProperties IProps = this._mediaCapture.VideoDeviceController.GetMediaStreamProperties(MediaStreamType.VideoPreview);
vep = (VideoEncodingProperties)IProps;
DrawLineOnCanvas(vep.Width, vep.Height);
if (Panel == Windows.Devices.Enumeration.Panel.Back)
{
//_mediaCapture.SetRecordRotation(VideoRotation.Clockwise90Degrees);
//_mediaCapture.SetPreviewRotation(VideoRotation.Clockwise90Degrees);
_mirroringPreview = false;
}
else
{
_mirroringPreview = false;
}
IsInitialized = true;
CanSwitch = _cameraDevices?.Count > 1;
RegisterOrientationEventHandlers();
await StartPreviewAsync();
}
}
catch (UnauthorizedAccessException)
{
errorMessage.Text = "Camera_Exception_UnauthorizedAccess".GetLocalized();
}
catch (NotSupportedException)
{
errorMessage.Text = "Camera_Exception_NotSupported".GetLocalized();
}
catch (TaskCanceledException)
{
errorMessage.Text = "Camera_Exception_InitializationCanceled".GetLocalized();
}
catch (Exception)
{
errorMessage.Text = "Camera_Exception_InitializationError".GetLocalized();
}
}
